We are looking for an experienced API Developer to join our team on a contract basis in Bismarck, North Dakota. The ideal candidate will have a strong background in designing, developing, implementing, and maintaining APIs that support high-performance enterprise systems. This role requires hands-on technical expertise, strong collaboration skills, and the ability to work closely with cross-functional teams to deliver secure and scalable integration solutions.
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Design, develop, and maintain RESTful and SOAP APIs to support business and technical requirements.
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Integrate APIs with internal and external systems, databases, and third-party platforms.
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Build and manage API documentation, specifications, and version control using tools such as Swagger or Postman.
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Implement security standards including OAuth, JWT, SSL, and other authentication and authorization models.
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Troubleshoot production issues, optimize performance, and ensure high system availability.
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Participate in solution architecture decisions and technical design reviews.
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Collaborate with developers, architects, QA teams, and stakeholders to ensure successful integration.
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Write clean, scalable, and well-documented code following industry best practices.
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Conduct unit testing and support automated testing and deployment pipelines.
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12+ years of experience in API development and integration.
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Strong expertise in RESTful API development using languages such as Java, .NET, Python, or Node.js.
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Experience with API management platforms like Apigee, MuleSoft, AWS API Gateway, Kong, or Azure API Management.
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Solid understanding of JSON, XML, Web Services, and microservices architecture.
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Hands-on experience with relational and NoSQL databases.
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Familiarity with CI/CD tools such as Jenkins, GitLab, Azure DevOps, or GitHub Actions.
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Strong knowledge of cloud platforms such as AWS, Azure, or Google Cloud.
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Experience with performance tuning, monitoring, and logging tools.
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Strong problem-solving skills and ability to work independently and collaboratively.